This clock drives the INTCA irqpin controller modules.
Before, it was assumed enabled by the bootloader or reset state.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Cc: devicetree@vger.kernel.org
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>